TS4995 Datasheet, PDF (15/26 Pages) STMicroelectronics – 1.2 W fully differential audio power amplifier with selectable standby and 6 dB fixed gain

TS4995
Electrical characteristics
Figure 44. CMRR vs. common mode input
voltage
Figure 45. CMRR vs. common mode input
voltage
20
Vic = 200mVpp
10 _{F = 217Hz}
0 Cb = 1μF
-10 ^{RL ≥ 8Ω}
Tamb = 25°C
-20
-30
Vcc=2.6V
-40
Vcc=5V
-50
-60
-70
Vcc=3.3V
-80
-90
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Common Mode Input Voltage (V)
20
Vic = 200mVpp
10 _{F = 217Hz}
0 Cb = 0
-10 ^{RL ≥ 8Ω}
Tamb = 25°C
-20
-30
Vcc=2.6V
-40
Vcc=5V
-50
-60
-70
Vcc=3.3V
-80
-90
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Common Mode Input Voltage (V)
Figure 46. Current consumption vs. power
supply voltage
Figure 47. Differential DC output voltage vs.
common mode input voltage
5.0
No loads
4.5 _{Tamb = 25°C}
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
1
2
3
4
5
6
Power Supply Voltage (V)
G = 6dB
Tamb = 25°C
0.1
0.01
Vcc=2.6V
1E-3
1E-4
Vcc=3.3V
Vcc=5V
1E-5
0
1
2
3
4
5
Common Mode Input Voltage (V)
Figure 48. Current consumption vs. standby Figure 49. Current consumption vs. standby
voltage
voltage
4.0
3.5
3.0
Standby mode=0V
2.5
Standby mode=5V
2.0
1.5
1.0
Vcc = 5V
0.5
No load
Tamb = 25°C
0.0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Standby Voltage (V)
4.0
3.5
3.0
Standby mode=0V
2.5
Standby mode=3.3V
2.0
1.5
1.0
Vcc = 3.3V
0.5
No load
Tamb = 25°C
0.0
0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2
Standby Voltage (V)
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